Yesterday my sim went crazy, really bad stutters, massive frame drop and huge bumps on taxi ways at airports then ctd. Today not a problem,was very smooth, no bumps good frames and no ctd after 3 hour flight. I haven’t touched anything or adjusted anything. I’m mythed
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Strange! I’m pythed. 
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Internet/server issues, if I had to guess.
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Likely server issues and weekends are usually the worst following an update.
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Yep, server issues, and again, if developers put more of the files local on the PC, this would not happen, another reason people have problems with it.
XPlane puts all the files local, never get stutter period, takes about 3-4 hours to install from DVD’s and once done perfect. Food for thought. MSFS takes 7 days to download and install on my PC. Won’t do that again.
Couple of streamers have mentioned this too over last 24 hours. Got to be server issues
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But does the scenery look anywhere near as nice? If all of the streamed MSFS scenery was stored locally, just how large would your storage need to be? I’m guessing something along the lines of a DL380 Gen 10 with every slot filled with a 1TB drive or better.
MSFS contains petabytes of scenery data. I don’t think people could store it locally.
If network issues are the cause, I hope they get ironed out in the future.
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I had that happen a month or so back. I discovered it was a PC power issue. I found that I did not have my gaming laptop plugged in. Either the battery was beginning to get low and it was throttling itself back or the battery is not robust enough to run this machine at the GPU and CPU level needed by MSFS. To run at full blast this laptop has a huge 330W power supply. (It’s not exactly suited for hauling around in a briefcase while traveling.)
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Yes, the sim has petrabytes of data. XP does not look as good, but, as mentioned, would rather have it work, planes fly like they should, etc., than see grass so clear I can tell if it needs to be cut. That level of detail is nice, but won’t do my any good if plane is falling from the sky because it’s a mess.
I have noticed some visual differences, in FSX if you are at KMGE and C&D at the C-130 Hanger 5, and leave toward RW11, the taxiway takes you into to RW way back and you have to run over the rough up/down end. In XP, same depart location, but taxiway takes you to the correct spot end of RW, so the up/down section is to left and do not have to drive over it. I do not know what MSFS 2020 does because I cannot remember. The visuals in XP are better than FSX. And to this day, lots of new stuff still being made and released. You can subscribe to a newsletter from “Fly away simulation” and gives you weekly updates on the latest releases for all the FS.
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Yeah… No. I’m not exactly keen on building my own server farm! 
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Hi,
I don’t want to get too off-topic, here, about X-Plane or planes falling out of the sky. This thread belongs to the OP, who was talking about performance being different from one day to the next. I’ll just close off by saying, I hear your concerns.
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As an update to my previous post about PC power affecting performance:
Today I had the laptop in another room and on battery (still above 1/2 capacity). I wanted to look up something on my MSFS controls. I turned MSFS twice and both times within a few seconds CTD. It just would not run on battery.
Perhaps we should indeed be concerned.
If the FS2020 community, spread out across the world’s timezones (mostly North America and Europe I guess?) hitting different servers across those different regions can bring the servers to their knees…
I can’t find any good figures. In late 2020 FS2020 had passed 2million sales. Shall we assume 4million now?
(But Steam charts averages about 5000 users)
Those really don’t seem like the sorts of numbers that should be causing major server problems for a player of Microsoft’s size.
Unfortunately, I don’t have any information on this beyond what’s publicly known.
The team is aware of connection problems and setup an official thread. The team is monitoring it. I have no information on a root cause, unfortunately.
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One would assume that after two years in service (nearly) they’d have worked out some kind of data caching scheme within Azure to avoid this. Because its not exactly making the Azure underpinnings look great that it can’t deal with the load.
How all that backend works is probably outside the immediate control of Asobo. Shipping all those terabytes of world data around is Azure. While there are certainly lots and lots of MSFS users, its not even close to the biggest games out there, which may be serving smaller total data, but are sending it to 50x the users.
While there may be many petabytes of data to be had in MSFS, the truth is nobody is pulling that much all at once. A meg here, a gig there. And thats whats weird to me. After two years I’d expect they would have outstanding knowledge of which regions pull which data and at what time. For instance, I would bet most people fly primarily in their own regions. So I would then expect that data for those regions would be forward stored on the regional servers for that area and not all be coming from some central data center.
Since ‘Cloud’ services are pretty opaque to the end user, I don’t know how they might be optimizing that data in the real system, but no matter what it is they are doing, its clearly sub-optimal.
The total numbers of FS users is simply not large enough on any given day – Right now there are 6100 Steam users online as I type, and over the weekend that peak was about 8000 ( https://steamdb.info/app/1250410/graphs/ ). If we assume about the same number of MS store users, we’re still not even getting into the top 100 games currently on steam. Its just not that many people. Using that same chart, we see that even at the highest concurrent player count in the last 12 months (July 21 last year) there were only 19k steam users… Which is a lot higher than 6k, but its still not even 20% of the biggest out there. (If you’re looking at those charts, make sure you’re looking at players and not twitch viewers before you start saying I’m wrong 
)
So, there’s the data… Why can’t Azure keep up? It’s getting very hard to understand the longer it continues.
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Hallo,
all very strange, the day before yesterday I couldn’t start any flights, only CDT’s, yesterday I made 2 full flights. With the A320 and the B787. no CDT, everything TOP! Otherwise I always have a CDT when I arrive at the destination airport, but nothing yesterday! was able to shut down engines and dock the jetway!
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